Here's what happens when you put a 3DS cartridge in a DSi

As you likely noticed, 3DS cartridges are just one good filing away from being able to fit in a DSi. To save you the trouble, we took a file to our copy of Madden Football, and we've got a detailed walkthrough of exactly what happened after the break.

Nothing. But will it still work in the 3DS?

It will! Ben Heck, eat your heart out.

This article was originally published on Joystiq.